fighter

noun

1. A person who fights; a combatant.

2. A warrior; fighting soldier.

3. A pugnacious, competitive person.

4. (eulogistic) A person with a strong determination to resist protracted or severe adversity, especially illness.

5. A class of fixed-wing aircraft whose primary purpose is that of shooting down other aircraft. Some of these (Fighter-Attack or Attack aircraft) also have a secondary purpose of attacking ground targets.

6. A boxer or participant in any martial art.

7. A firefighter

8. A game with a focus on physical combat.